#583FDC#583FDC

#583FDC is a mid, highly saturated blue. Relative luminance 0.108; OKLCH L 49.9% C 0.225 H 281.8°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#583FDC
RGB	rgb(88, 63, 220)
HSL	hsl(250, 69%, 55%)
HSV	hsv(250, 71%, 86%)
CMYK	cmyk(60%, 71.4%, 0%, 13.7%)
CIE-LAB	lab(39.23, 52.81, -76.39)
CIE-LCH	lch(39.23, 92.86, 304.66°)
OKLab	oklab(49.92% 0.0459 -0.2202)
OKLCH	oklch(49.92% 0.225 281.8)
XYZ	xyz(18.7162, 10.7957, 68.7938)
Luminance	0.1080 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583FDC #C3DC3F

analogous

#3F74DC #583FDC #A63FDC

triadic

#583FDC #DC583F #3FDC58

tetradic

#583FDC #DC3F74 #C3DC3F #3FDCA6

square

#583FDC #DC3F74 #C3DC3F #3FDCA6

split-complementary

#583FDC #DCA63F #74DC3F

monochromatic

#2A1988 #3B22BC #583FDC #8573E5 #B2A7EF

Accessibility & contrast

On white

6.65

#583FDC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#583FDC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #583FDC

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583FDC	#FFFFFF	#000000	##FFFFFF
##583FDC	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062E1

Deuteranopia (green-blind)

#0057D9

Tritanopia (blue-blind)

#006A8A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #583fdc;
/* rgb */ color: rgb(88, 63, 220);
/* oklch */ color: oklch(49.9% 0.225 281.8);

Tailwind

colors: {
  custom: {
    50: '#9577e8',
    500: '#583fdc',
    950: '#000000',
  },
}

SCSS

$custom: #583fdc;
$custom-light: #9577e8;
$custom-dark: #000000;

JSON

{
  "hex": "#583fdc",
  "rgb": {
    "r": 88,
    "g": 63,
    "b": 220
  },
  "hsl": {
    "h": 249.554,
    "s": 69.163,
    "l": 55.49
  },
  "oklch": {
    "l": 0.49915,
    "c": 0.22493,
    "h": 281.8
  },
  "luminance": 0.10797
}

Semantic roles & 50–950 ramp

primary

#583FDC

secondary

#D2DC9B

accent

#EC3CD0

background

#FAF7FE

surface

#F3EDFD

border

#CDC8D5

text

#0F0916

muted

#7F7B84

Preview Lab

Preview with #583FDC

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →